Migrates old cms plugin table to new table

use_new_style_plugin_table_names.py

# -*- coding: utf-8 -*-
from south.utils import datetime_utils as datetime
from south.db import db
from south.v2 import DataMigration
from django.db import connection, models

class Migration(DataMigration):

    tables = {
        'old_cmsplugin_table_name': 'new_table_name',
    }

    def forwards(self, orm):
        table_names = connection.introspection.table_names()
        for old_table, new_table in self.tables.iteritems():
            if old_table in table_names:
                db.rename_table(old_table, new_table)

    def backwards(self, orm):
        table_names = connection.introspection.table_names()
        for old_table, new_table in self.tables.iteritems():
            if new_table in table_names:
                db.rename_table(new_table, old_table)